I may be off but I don't think it's about "low rep vs high rep" or "light weight vs heavy weight", it's about working your muscles to fatigue.
Separately, I know Tim Ferriss wrote a piece on this too.
Separately, I know Tim Ferriss wrote a piece on this too.
http://www.fourhourworkweek.com/blog/2007/04/29/from-geek-to...